[PATCH 12/31] drm/amd/display: Don't set dram clock change requirement for SubVP
Rodrigo Siqueira
Rodrigo.Siqueira at amd.com
Fri Jul 15 18:16:46 UTC 2022
From: Alvin Lee <Alvin.Lee2 at amd.com>
[Description]
In general cases we want to keep the dram clock change requirement (we
prefer configs that support MCLK switch). Only override to false for
SubVP.
Acked-by: Alan Liu <HaoPing.Liu at amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2 at amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
index f913daabcca5..92d87745d933 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
@@ -2984,6 +2984,7 @@ int dcn32_populate_dml_pipes_from_context(
int i, pipe_cnt;
struct resource_context *res_ctx = &context->res_ctx;
struct pipe_ctx *pipe;
+ bool subvp_in_use = false;
dcn20_populate_dml_pipes_from_context(dc, context, pipes, fast_validate);
@@ -3006,6 +3007,7 @@ int dcn32_populate_dml_pipes_from_context(
switch (pipe->stream->mall_stream_config.type) {
case SUBVP_MAIN:
pipes[pipe_cnt].pipe.src.use_mall_for_pstate_change = dm_use_mall_pstate_change_sub_viewport;
+ subvp_in_use = true;
break;
case SUBVP_PHANTOM:
pipes[pipe_cnt].pipe.src.use_mall_for_pstate_change = dm_use_mall_pstate_change_phantom_pipe;
@@ -3076,6 +3078,14 @@ int dcn32_populate_dml_pipes_from_context(
dcn32_update_det_override_for_mpo(dc, context, pipes);
+ // In general cases we want to keep the dram clock change requirement
+ // (prefer configs that support MCLK switch). Only override to false
+ // for SubVP
+ if (subvp_in_use)
+ context->bw_ctx.dml.soc.dram_clock_change_requirement_final = false;
+ else
+ context->bw_ctx.dml.soc.dram_clock_change_requirement_final = true;
+
return pipe_cnt;
}
--
2.37.0
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